Side light and window for ships.



N0. 690,032. Patented Dec. 3|, IQOI.

' G. C. RALSTON.

SIDE LIGHT AND WINDOW FOB SHIPS.

(Application filed June 26, 1901. (No Model.) 2 Sheets-Sheet I.

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' G. C. RALSTON.

SIDE LIGHT AND WINDOW FOR SHIPS.

Patented Dec. 3|, l90l.

(Application filed June 28, 1901.)

2 Sheets$haet 2.

(No Model.)

\ENNNNM lllllllllllllil llllllll GAVIN C. RALSTON, OF LEVISHAM, ENGLAND, ASSIGNOR TO J. STONE AND COMPANY, OF DEPTFORD, ENGLAND.

SIDE LIGHT AND WINDOW FOR SHIPS.

SPECIFICATION forming part of Letters Patent N 0. 690,032, dated December 31, 1901.

Application filed June 26,1 9 01.

T0 aZZ whmn it may concern:

Be it known that I, GAVIN C. RALSTON, a subject of the King of Great Britain and Ireland, residing at No. 9 Dermody Gardens, Lewisham, in the county of Kent, England, have invented new and useful Improvements in Side Lights and lVindows for Ships and other Structures, of which the following is a specification.

These improvements relate to windows having a sash with a sliding motion up and down, (or laterally,) the object being to render the sash quite secure and water-tight when closed and so also that the sash may stay in a partlyopen position or be there secured.

The invention consists in a sash which can be secured by tooth-rack and pinion gearing and worm and worm-wheel gearing to the closed or partly-closed position and which when in that position canbe moved up against a rubber joint-ring on the fixed frame and pressed against it, so as to make a strong water-tight joint, by means of mechanism onthe inclined plane principle, such as wedges, screws, or cams. By the employment of the worm and worm-wheel gearing the sash is held stationary in any position to which it may be brought.

Figure l is a half-front elevation and half section; Fig. 2, a plan section; Fig. 3, a vertical sectional end elevation; Fig. 4, an end elevation of the sash, and Fig. 5 an end elevation of a tooth-rack for raising the sash. Fig. 6 is a half-front view, and Fig. 7 a vertical section, of a modified construction.

a, Figs. 1 to 5, is a metal sash of box-section, wherein the glass pane Z2 with beveled edges is fixed and provided with a rubber joint-ring c along the beveled edges.

d d d d are lugs with sloping sides formed on the sash, two on each side.

e e are tooth-racks, one on each side of the sash. The racks have sloping channel-surfaces ff, between which the lugs d d on the sash a can slide.

The sash CL and the tooth-racks e c are guided in the fixed metal frame g, which is fixed in the wall of a ships deck-house or other structure. This fixed frame has a rubber jointring 71, against which the sash a is to be powerfully pressed in order to make a water-tight Serial No. 66,095. (No model.)

joint, and for this purpose the tooth-racks e e have to be moved vertically, (or horizontally in case the sash is one made to be moved horizontally.) Between the sash a and the racks 6 there is what is called lost motion -that is to say, they move together up to a certain point, and then the racks alone move while the sash is stationary after it has been brought up against the aforesaid point, which is a flange g or other stop on the fixed frame 9. For this purpose the sash Ct mayas, for instance, here shown-rest on a fiat bow-spring j, the ends of which are supported on pegs on the racks; but any other suitable yielding device may be employed instead of the bowspring j.

To propel the racks vertically, thereby also raising the sash, worm and worm-wheel gear is employed or a screw worked by bevel-gearings. The former is preferred and consists of a worm Z, with square m for a box spanner or handle 25 to fit thereon, and a worm-wheel n on the spindle 0, which carries the pinions 19, that gear with the racks e. The spindle 0 runs in bearings g on the fixed frame g. The worm Z has its hearings in a casing r, which incloses and protects the worm-gear, said casing being fixed to the fixed frame g at each end, as shown.

8 is the wooden inner wall or Wainscot of the deck-house.

When the racks e are raised, by rotating a worm Z, worm-wheel spindle 0, and pinions p the spring j, forming the elastic connection between the racks e and the sash a, carries the latter to the top of its travel against the upper flange or stop 9 on the fixed frame g, and by continuing the rotation of the worm, and thereby the further upward motion of the racks, while the sash remains stationary, the sloping channel-faces f on the racks rise upon the sloping faces of the lugs (51 on the sash a and press the latter horizontally against the joint-ring h on the fixed frame, so making water-tight joint therewith. When the worm-gear is rotated in the opposite direction, the sash is brought clear of the rubber joint-ring h and can then be lowered. In any intermediate or partly-open position of the sash the latter will stay in the desired position, owing to the friction of the worm-wheel gear. If it be found necessary to secure the sash against vibration or rattling in such an intermediate position, the operator holds down the sash with one hand and works the racks up with the other hand until the sash is firmly wedged.

Fig. 6 is a half-front view, and Fig. 7 a vertical section, through a side light of simplified construction, wherein the rack-teeth e are on the sash a itself, and the sash is pressed against the rubber ring h on the fixed frame g by means of screws d.

Instead of, as shown, moving the sash down for the purpose of opening the window the sash may be arranged to move upwardfrom its closed position, so as to produce a clear full or part opening below the sash. With such an arrangement the sash need not be Y against the same, substantially as set forth.

2, A sliding window-sash provided with slanting lugs, a tooth-rack on each side provided with slanting surfaces between which the aforesaid lugs pass in the closing of the sash, a fixed frame provided with oint-seating ring and wherein the sash and the racks are guided and wheel-gearin g on the fixed framing for moving the racks and the sash together therewith and for finally pressing the sash horizontally against the joint-seating, substantially as set forth.

3. An up and down sliding window-sash provided with slanting lugs, a tooth-rack on each side which supports the sash elastically and which are provided with slanting surfaces between which the aforesaid lugs pass in the closing of the sash, a fixed frame provided with rubber joint-ring and wherein the sash and the racks are guided, and pinions and worm-gearing for the purpose of raising the racks and the sash until the latter in closing comes against a stop on the fixed frame while the racks, in being raised still farther finally press the sash horizontally against the rubber joint-ring, substantially as set forth.

4. An up and down sliding Window-sash provided with slanting lugs, a tooth-rack on each side which support the sash elastically by the intermediary of a bow-spring resting on a peg on each rack, said racks provided with slanting surfaces between which the aforesaid lugs pass in the closing of the sash, a fixed frame provided with rubber joint-ring and wherein the sash and the racks are guided, a spindle mounted in bearings on the fixed frame, pinions on said spindle engaging with the racks, a worm-wheel on said spindle, and a worm engaging with the said worm-wheel and adapted to be rotated, substantially as and for the purpose set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribingwitnesses.

GAVIN O. RALSTON.

YVitnesses:

WALTER J. SKERTEN, W. M. HARRIS. 

